static mp_image_t* alloc_mpi(int w, int h, uint32_t fmt) {
mp_image_t* mpi = new_mp_image(w,h);
mp_image_setfmt(mpi,fmt);
// IF09 - allocate space for 4. plane delta info - unused
if (mpi->imgfmt == IMGFMT_IF09)
{
mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8+
mpi->chroma_width*mpi->chroma_height);
/* delta table, just for fun ;) */
mpi->planes[3]=mpi->planes[0]+2*(mpi->chroma_width*mpi->chroma_height);
}
else
mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8);
if(mpi->flags&MP_IMGFLAG_PLANAR){
// YV12/I420/YVU9/IF09. feel free to add other planar formats here...
if(!mpi->stride[0]) mpi->stride[0]=mpi->width;
if(!mpi->stride[1]) mpi->stride[1]=mpi->stride[2]=mpi->chroma_width;
if(mpi->flags&MP_IMGFLAG_SWAPPED){
// I420/IYUV (Y,U,V)
mpi->planes[1]=mpi->planes[0]+mpi->width*mpi->height;
mpi->planes[2]=mpi->planes[1]+mpi->chroma_width*mpi->chroma_height;
} else {
// YV12,YVU9,IF09 (Y,V,U)
mpi->planes[2]=mpi->planes[0]+mpi->width*mpi->height;
mpi->planes[1]=mpi->planes[2]+mpi->chroma_width*mpi->chroma_height;
}
} else {
if(!mpi->stride[0]) mpi->stride[0]=mpi->width*mpi->bpp/8;
}
mpi->flags|=MP_IMGFLAG_ALLOCATED;
return mpi;
}
media_fifo_t * media_fifo_init( media_fifo_t * mf)
{
int i;
media_packet_t *mp, *mpp, *mppp;
mf = malloc(sizeof(media_fifo_t));
mppp = mpp = malloc(sizeof(media_packet_t));
for ( i = 0; i < MAX_PTS_BUF; i ++ )
{
mp = mpp;
mp->mpi = new_mp_image(320,240);
mp->pcm = malloc(sizeof(unsigned char)*PCM_BUF_SIZE);
if ( !mp->pcm )
{
printf("PCM can not malloc buffer! \n");
return 0;
}
mpp = malloc(sizeof(media_packet_t));
mp->next = mpp;
mpp->priv = mp;
}
mp->next = mppp;
mppp->priv = mp;
mf->in = mf->out = mppp;
mf->num = 0;
free(mpp);
return mf;
}
mp_image_t* alloc_mpi(int w, int h, unsigned long int fmt) {
mp_image_t* mpi = new_mp_image(w,h);
mp_image_setfmt(mpi,fmt);
mp_image_alloc_planes(mpi);
return mpi;
}
